Mineralogy Database

Yftisite-(Y) Mineral Data

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General Yftisite-(Y) Information

Help on Chemical  Formula: Chemical Formula: (Y,Dy,Er)4(Ti,Sn)O(SiO4)2(F,OH)6
Help on Composition: Composition: Molecular Weight = 753.13 gm
   Dysprosium   6.47 %  Dy    7.43 % Dy2O3
   Yttrium     41.32 %  Y    52.47 % Y2O3
   Erbium       4.44 %  Er    5.08 % Er2O3
   Titanium     4.77 %  Ti    7.95 % TiO2
   Silicon      7.46 %  Si   15.96 % SiO2
   Tin          3.94 %  Sn    5.00 % SnO2
   Hydrogen     0.27 %  H     2.39 % H2O
   Oxygen      21.24 %  O
   Fluorine    10.09 %  F    10.09 % F
                 -   %   F    -4.25 % -O=F2    
              ______        ______ 
              100.00 %      102.12 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Y3.5Dy0.3Er0.2Ti0.75Sn0.25(SiO4)2F4(OH)2
Help on Environment: Environment: Silicified alkalic granite near a gabbro-anothosite contact. Approved 1965, discredited 1987 as incompletly characterized.
Help on IMA Status: IMA Status: Discredited IMA 1987 - Approved IMA 1965
Help on Locality: Locality: Kazakhstan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named in 1965 for the elemental makeup, (Y, F, Ti, Si).
Help on Name Pronunciation: Name Pronunciation: Yftisite-(Y) Say YFTISITE-(Y)
Help on Synonym: Synonym: Discredited IMA 1997
  ICSD 20003
  PDF 33-1462